Home / 15,610.40-23,416.80-5,222.16

Finding the Fourth Proportional to 15,610.40, 23,416.80 and 5,222.16

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Solution

The fourth proportional to 15,610.40, 23,416.80 and 5,222.16 is: 7,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.40 : 23,416.80 = 5,222.16 : x
  2. Step 2: Convert to fraction form
    15,610.40/23,416.80 = 5,222.16/x
  3. Step 3: Cross multiply
    15,610.40x = 23,416.80 × 5,222.16
  4. Step 4: Simplify right side
    15,610.40x = 122,286,276.29
  5. Step 5: Solve for x
    x = 122,286,276.29/15,610.40
  6. Step 6: Final answer
    x = 7,833.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.